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Experiment Report on Best Fertilisers

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[Type the author name] Year 10 Science Research Task Testing which fertilizers are the best. Experiment- Using the fertilizer is important for many gardeners as it helps their plants to grow strong and healthy plus fertilizers can be fairly expensive and not all work as predicted, also Gardeners only get one chance at either growing their crop or plants so it is essential for them to get the fertilizer right. This experiment will focus on 6 major fertilizer brands to find out which is the best- Research- Nitrogen (N) Nitrogen is a part of all living cells and is a necessary part of all proteins, enzymes and metabolic processes involved in the synthesis and transfer of energy. Nitrogen is a part of chlorophyll, the green pigment of the plant that is responsible for photosynthesis. Helps plants with rapid growth, increasing seed and fruit production and improving the quality of leaf and forage crops. Nitrogen often comes from fertilizer application and from the air (legumes get their N from the atmosphere, water or rainfall contributes very little nitrogen) Phosphorus (P) Like nitrogen, phosphorus (P) is an essential part of the process of photosynthesis. Involved in the formation of all oils, sugars, starches, etc. Helps with the transformation of solar energy into chemical energy; proper plant maturation; withstanding stress. Effects rapid growth. Encourages blooming and root growth. Phosphorus often comes from fertilizer, bone meal, and superphosphate. Potassium (K) Potassium is absorbed by plants in larger amounts than any other mineral element except nitrogen and, in some cases, calcium. Helps in the building of protein, photosynthesis, fruit quality and reduction of diseases. Potassium is supplied to plants by soil minerals, organic materials, and fertilizer. Calcium (Ca) Calcium, an essential part of plant cell wall structure, provides for normal transport and retention of other elements as well as strength in the plant. It is also thought to counteract the effect of alkali salts and organic acids within a plant. ...read more.


Step Two- Then place half a garden spoon of bird seeds evenly in every pot, and then cover up the remainder of the pot with soil. Step Three- Label all of the pots with the corresponding fertilizers that will be placed into them. Step Four- Place 1 garden spoon full of fertilizers in every pot with their corresponding labels, making sure to evenly spread out the fertilizer to ensure that it doesn?t go all to one side. Step Five- Now evenly place 100mL of water on every test, ensuring that you hold the watering can as close to the soil as possible, as raising it to high will destroy and unearth the seeds, ultimately placing your test in jeopardy. Place 100mL water into the pot tests every 3rd day after planting of the seeds. Step Six- Place the six pots in a shady area that will still get the sun but not too much, as leaving it overexposed to the sun will dry out the plants and the seeds might not sprout. Place pots in the sun for a few hours every day to ensure that they get enough sunlight to help them grow. Fertiliser Day 1 Day 5 Day 9 Day 13 Day 17 Day 21 Day 25 Day 29 Day 33 Day 37 Day 41 Day45 Day 49 Day 53 Day 57 Blood and Bone Control NPK fertilizer Osmocote Nitrophoska Urea Step Seven- Form a table as shown Step Eight- This step takes the longest time and requires the most patience as plants take a while to grow so it may take a few days depending on the weather for the seeds to sprout, but when they do get the graph and a tape measure and individually measure the heights of plants in each test. Pay close attention to the timing and the day schedule to make sure you don?t miss out on a day of recording. ...read more.


wouldn?t have been fair as one plant might receive more of something then the test next to it, if the pots were isolated chances of the test not being fair or biased would be decreased. Other factor such as the amount of seeds sprouting has to be taken into figure as well, what if I did more than one test of the same fertilizer to take into effect the sprout rate, the first test might have a sprout rate of 70% for Nitrophoska but the second might have 80% maybe even 60% or less, these issues have to be taken into effect as they might change the overall results of the test. A fertilizer may not be perfect or the best for a specific plant but it will help benefit its growth, to make a test worthwhile and a fact more than one test has to be done, it has to be experiment with more than 100 times to make sure as only one simple mistake can make or give a very different or altered outcome, but my test shows that Osmocote was the best fertilizer in most of the fields tested so it is placed as the best fertilizer in the growth test. Conclusion- As predicted and the trends in the data support the theory in my hypothesis that Osmocote proved to be the best as it had all the major components of healthy growth as mentioned and it also had a wetting agent which was beneficial to its lead in the testing done. It was found that all the essential components for healthy plant growth were all beneficial to plant growth and that Osmocote the fertilizer with all these materials proved to be the best fertilizer with the biggest and healthiest growth of all the tests, it not only proved to be the best with the fastest growing or the biggest in height it also proved to be one of the best for water absorption and a balance in the acidity levels. ...read more.

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